Adams, G. R., & Schvaneveldt, J. D. (1985). Understanding research methods. Longman.
Lua i Stíl Chicago (17ú heag.)Adams, Gerald R., agus Jay D. Schvaneveldt. Understanding Research Methods. New York: Longman, 1985.
Lua MLA (9ú heag.)Adams, Gerald R., agus Jay D. Schvaneveldt. Understanding Research Methods. Longman, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.